Authors
Darmadi Darmadi
Department of Internal Medicine, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia
Riska Habriel Ruslie
Department of Child Health, Faculty of Medicine, Universitas Prima Indonesia, Medan, Indonesia
Cennikon Pakpahan
Department of Biomedical Sciences, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia